.hud {
  position: fixed;
  top: 14px;
  left: 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(92px, 128px));
  gap: 0.5rem;
  z-index: 11;
}

.metric {
  padding: 0.5rem 0.62rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(124, 169, 221, 0.4);
  background: linear-gradient(160deg, rgba(8, 18, 31, 0.78), rgba(11, 23, 39, 0.55));
  backdrop-filter: blur(5px);
}

.metric .label {
  display: block;
  color: #9cb4d7;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metric strong {
  display: block;
  margin-top: 0.15rem;
  color: #eef5ff;
  font-size: 1.28rem;
  line-height: 1;
}

.touch-controls {
  position: fixed;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  z-index: 12;
  display: none;
  grid-template-columns: repeat(3, 76px);
  grid-template-rows: repeat(2, 64px);
  gap: 0.5rem;
}

.touch-controls button {
  border-radius: 0.85rem;
  border: 1px solid rgba(186, 221, 255, 0.45);
  color: #eaf4ff;
  background: rgba(11, 28, 49, 0.75);
  box-shadow: 0 8px 14px rgba(0, 0, 0, 0.26);
  padding: 0.45rem;
}

.touch-controls button[data-action="forward"] {
  grid-column: 2;
  grid-row: 1;
}

.touch-controls button[data-action="left"] {
  grid-column: 1;
  grid-row: 2;
}

.touch-controls button[data-action="right"] {
  grid-column: 3;
  grid-row: 2;
}

.touch-controls button[data-action="back"] {
  grid-column: 2;
  grid-row: 2;
}

@media (pointer: coarse) {
  body.playing .touch-controls {
    display: grid;
  }
}

@media (max-width: 720px) {
  .hud {
    top: 10px;
    left: 10px;
    grid-template-columns: repeat(2, minmax(84px, 108px));
    gap: 0.36rem;
  }

  .metric strong {
    font-size: 1.08rem;
  }
}